Home / 103,657,686.77-143,046,730.80-57,246,944.24

Finding the Fourth Proportional to 103,657,686.77, 143,046,730.80 and 57,246,944.24

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Solution

The fourth proportional to 103,657,686.77, 143,046,730.80 and 57,246,944.24 is: 79,000,298.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,657,686.77 : 143,046,730.80 = 57,246,944.24 : x
  2. Step 2: Convert to fraction form
    103,657,686.77/143,046,730.80 = 57,246,944.24/x
  3. Step 3: Cross multiply
    103,657,686.77x = 143,046,730.80 × 57,246,944.24
  4. Step 4: Simplify right side
    103,657,686.77x = 8,188,988,221,106,658
  5. Step 5: Solve for x
    x = 8,188,988,221,106,658/103,657,686.77
  6. Step 6: Final answer
    x = 79,000,298.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.